A single-day lesson always helps, but to truly transform your skiing takes a commitment of time and energy. Here are our favorite multi-day immersion clinics that will finally take you to the next level. From Vail to Vermont, the list includes a resort near you.

At the top of your list of summer activities should be hiking a fourteener (a peak topping 14,000 feet in elevation). While these hikes are challenging, most can be completed in a day. Here’s how to train for, plan, and conquer your first fourteener.